Hello
i do have a NCQ queue_depth of 1 too and my /sys/block/sda/device/queue_depth is not writeable.
I thought i'd take the time to provide you with the hdparm output hoping this minor issue can be resolved.
Yours faithfully
Johann-Christoph Jacob
>From uname -a:
Linux amilo 2.6.24.2 #1 SMP PREEMPT Mon Feb 11 22:01:11 CET 2008 i686 GNU/Linux
>From lspci -vvk:
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Fujitsu Siemens Computer GmbH Unknown device 10ad
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at 1810 [size=16]
Kernel driver in use: ata_piix
00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller (rev 02) (prog-if 01 [AHCI 1.0])
Subsystem: Fujitsu Siemens Computer GmbH Unknown device 10ad
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 220
Region 0: I/O ports at 18d0 [size=8]
Region 1: I/O ports at 18c4 [size=4]
Region 2: I/O ports at 18c8 [size=8]
Region 3: I/O ports at 18c0 [size=4]
Region 4: I/O ports at 18b0 [size=16]
Region 5: Memory at dc444400 (32-bit, non-prefetchable) [size=1K]
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+
Address: fee0100c Data: 41e9
Capabilities: [70] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: ahci
>From /var/log/kern.log:
ahci 0000:00:1f.2: version 3.0
ahci 0000:00:1f.2: nr_ports (4) and implemented port map (0x5) don't match, using nr_ports
ahci 0000:00:1f.2: forcing PORTS_IMPL to 0xf
ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 1.5 Gbps 0xf impl SATA mode
ahci 0000:00:1f.2: flags: 64bit ncq pm led clo pio slum part
scsi0 : ahci
scsi1 : ahci
scsi2 : ahci
scsi3 : ahci
ata1: SATA max UDMA/133 abar m1024@0xdc444400 port 0xdc444500 irq 220
ata2: SATA max UDMA/133 abar m1024@0xdc444400 port 0xdc444580 irq 220
ata3: SATA max UDMA/133 abar m1024@0xdc444400 port 0xdc444600 irq 220
ata4: SATA max UDMA/133 abar m1024@0xdc444400 port 0xdc444680 irq 220
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: ATA-7: WDC WD1200BEVS-07LAT0, 01.06M01, max UDMA/133
ata1.00: 234441648 sectors, multi 16: LBA48 NCQ (depth 1)
ata1.00: configured for UDMA/133
ata2: SATA link down (SStatus 0 SControl 0)
ata3: SATA link down (SStatus 0 SControl 300)
ata4: SATA link down (SStatus 0 SControl 0)
scsi 0:0:0:0: Direct-Access ATA WDC WD1200BEVS-0 01.0 PQ: 0 ANSI: 5
sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors (120034 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors (120034 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sda: sda1 sda2 sda3
sd 0:0:0:0: [sda] Attached SCSI disk
ata_piix 0000:00:1f.1: version 2.12
scsi4 : ata_piix
scsi5 : ata_piix
ata5: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0x1810 irq 14
ata6: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0x1818 irq 15
ata5.00: ATAPI: Optiarc DVD RW AD-7540A, 1.42, max UDMA/33
ata5.00: configured for UDMA/33
ata6: port disabled. ignoring.
scsi 4:0:0:0: CD-ROM Optiarc DVD RW AD-7540A 1.42 PQ: 0 ANSI: 5
sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
Uniform CD-ROM driver Revision: 3.20
sr 4:0:0:0: Attached scsi CD-ROM sr0
>From hdparm -I /dev/sda:
/dev/sda:
ATA device, with non-removable media
Model Number: WDC WD1200BEVS-07LAT0
Serial Number: WD-WXE906801963
Firmware Revision: 01.06M01
Standards:
Supported: 7 6 5 4
Likely used: 7
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 234441648
LBA48 user addressable sectors: 234441648
device size with M = 1024*1024: 114473 MBytes
device size with M = 1000*1000: 120034 MBytes (120 GB)
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 1
Standby timer values: spec'd by Standard, with device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Advanced power management level: unknown setting (0x00fe)
Recommended acoustic management value: 128, current value: 128
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* NOP cmd
* DOWNLOAD_MICROCODE
Advanced Power Management feature set
* SET_MAX security extension
* Automatic Acoustic Management feature set
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
* General Purpose Logging feature set
* 64-bit World wide name
* IDLE_IMMEDIATE with UNLOAD
* SATA-I signaling speed (1.5Gb/s)
* Native Command Queueing (NCQ)
* Phy event counters
DMA Setup Auto-Activate optimization
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Long Sector Access (AC1)
* SCT LBA Segment Access (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
unknown 206[12]
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
not supported: enhanced erase
Checksum: correct
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